Individual provider Active NPI

Justin Diedrich, MD

  • Gynecology Physician
  • Agoura Hills, CA
National Provider Identifier
1396978037
Registry record updated Jul 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gynecology PhysicianTaxonomy code 207VG0400X
License
A114859 Issued in CA
Practice address
29525 Canwood St Ste 220
Agoura Hills, CA 91301-4231
Phone
(818) 722-3262
Fax
(818) 584-8882
NPI assigned
Aug 28, 2009
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 17, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gynecology Physician 207VG0400X A114859 CA Primary

Addresses

Primary practice location

29525 Canwood St Ste 220
Agoura Hills, CA 91301-4231

Mailing address

29525 Canwood St Ste 220
Agoura Hills, CA 91301-4231
Phone (818) 722-3262

Other practice location 1

1873 Commercenter W
San Bernardino, CA 92408-3303
Phone (714) 922-4100

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20150812007096 CA Practitioner - Obstetrics/Gynecology 3476780495 Reassigns benefits to 3 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A114859CAMDGynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Planned Parenthood Pasadena and San Gabriel Valley Inc CurrentSince Aug 6, 2021 Accepting new patients
University of California Irvine CurrentSince Sep 27, 2017 Accepting new patients
Regents of the University of California Obstetrics & Gynecology CurrentSince Sep 27, 2017 Accepting new patients
Planned Parenthood Pasadena and San Gabriel Valley Inc CurrentSince Aug 6, 2021 Accepting new patients
University of California Irvine CurrentSince Sep 27, 2017 Accepting new patients
Planned Parenthood/Orange and San Bernardino Counties, Inc. Past Accepting new patients
Planned Parenthood of Greater New York Inc Past Accepting new patients
University of California Irvine Past Accepting new patients
Sharp Memorial Hospital Past Accepting new patients
Planned Parenthood Mar Monte, Inc Past Accepting new patients

Locations

300 W Carl Karcher Way
Anaheim, CA 92801
Phone (657) 282-6356

5903 N Figueroa St
Los Angeles, CA 90042
Phone (626) 798-0706

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

700 S Tustin St
Orange, CA 92866
Phone (714) 633-4550

620 N Lake Ave
Pasadena, CA 91101
Phone (626) 793-7350

1045 N Lake Ave
Pasadena, CA 91104
Phone (626) 794-5737

800 N Main St
Santa Ana, CA 92701
Phone (714) 456-6324

Interoperability endpoints

  • Direct secure messaging: justin.diedrich.p1@direct.ppgt.nextgenshare.com
  • Direct secure messaging: justin.diedrichmd.p1@direct.ppmarmonte.nextgenshare.com
  • Direct secure messaging: justin.diedrichmd.p1@direct.plannedparenthoodla.nextgenshare.com
  • Direct secure messaging: jdiedrich100904@direct.llu.edu

Organizations & group practices 10

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1251417600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752710400000",
    "number": "1396978037",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29525 CANWOOD ST STE 220",
            "city": "AGOURA HILLS",
            "state": "CA",
            "postal_code": "913014231",
            "telephone_number": "818-722-3262",
            "fax_number": "818-584-8882"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "29525 CANWOOD ST STE 220",
            "city": "AGOURA HILLS",
            "state": "CA",
            "postal_code": "913014231",
            "telephone_number": "818-722-3262",
            "fax_number": "818-584-8882"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1873 Commercenter W",
            "address_purpose": "LOCATION",
            "city": "San Bernardino",
            "state": "CA",
            "postal_code": "924083303",
            "country_code": "US",
            "telephone_number": "714-922-4100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIEDRICH",
        "first_name": "JUSTIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-08-28",
        "last_updated": "2025-07-17",
        "certification_date": "2025-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "CA",
            "license": "A114859",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Agoura Hills, CA

Sources for this page

Verify at the official NPI Registry.